Species list for Ryojius
| Taxon | Author | Action | Last updated |
|---|---|---|---|
| 1. Ryojius flosculus | Irfan, Wang & Zhang, 2023 | Catalog | 2023-03-29 |
| 2. Ryojius furcatus | Irfan, Zhang & Peng, 2022 | Catalog | 2023-01-14 |
| 3. Ryojius japonicus * | Saito & Ono, 2001 | Catalog | 2015-12-16 |
| 4. Ryojius latus | Irfan, Wang & Zhang, 2023 | Catalog | 2023-03-29 |
| 5. Ryojius nanyuensis | (Chen & Yin, 2000) | Catalog | - - |
| 6. Ryojius occidentalis | Saito & Ono, 2001 | Catalog | - - |
| 7. Ryojius simplex | Irfan, Wang & Zhang, 2023 | Catalog | 2023-06-05 |